1 1.9 joerg /* $NetBSD: extern.h,v 1.9 2008/08/26 21:18:38 joerg Exp $ */ 2 1.4 cgd 3 1.1 cgd /*- 4 1.3 cgd * Copyright (c) 1991, 1993, 1994 5 1.1 cgd * The Regents of the University of California. All rights reserved. 6 1.1 cgd * 7 1.1 cgd * Redistribution and use in source and binary forms, with or without 8 1.1 cgd * modification, are permitted provided that the following conditions 9 1.1 cgd * are met: 10 1.1 cgd * 1. Redistributions of source code must retain the above copyright 11 1.1 cgd * notice, this list of conditions and the following disclaimer. 12 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 cgd * notice, this list of conditions and the following disclaimer in the 14 1.1 cgd * documentation and/or other materials provided with the distribution. 15 1.7 agc * 3. Neither the name of the University nor the names of its contributors 16 1.1 cgd * may be used to endorse or promote products derived from this software 17 1.1 cgd * without specific prior written permission. 18 1.1 cgd * 19 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.1 cgd * SUCH DAMAGE. 30 1.1 cgd * 31 1.3 cgd * @(#)extern.h 8.4 (Berkeley) 6/16/94 32 1.1 cgd */ 33 1.1 cgd 34 1.8 christos BUFHEAD *__add_ovflpage(HTAB *, BUFHEAD *); 35 1.8 christos int __addel(HTAB *, BUFHEAD *, const DBT *, const DBT *); 36 1.8 christos int __big_delete(HTAB *, BUFHEAD *); 37 1.8 christos int __big_insert(HTAB *, BUFHEAD *, const DBT *, const DBT *); 38 1.8 christos int __big_keydata(HTAB *, BUFHEAD *, DBT *, DBT *, int); 39 1.8 christos int __big_return(HTAB *, BUFHEAD *, int, DBT *, int); 40 1.8 christos int __big_split(HTAB *, BUFHEAD *, BUFHEAD *, BUFHEAD *, 41 1.9 joerg int, uint32_t, SPLIT_RETURN *); 42 1.8 christos int __buf_free(HTAB *, int, int); 43 1.8 christos void __buf_init(HTAB *, u_int); 44 1.9 joerg uint32_t __call_hash(HTAB *, char *, int); 45 1.8 christos int __delpair(HTAB *, BUFHEAD *, int); 46 1.8 christos int __expand_table(HTAB *); 47 1.8 christos int __find_bigpair(HTAB *, BUFHEAD *, int, char *, int); 48 1.9 joerg uint16_t __find_last_page(HTAB *, BUFHEAD **); 49 1.8 christos void __free_ovflpage(HTAB *, BUFHEAD *); 50 1.9 joerg BUFHEAD *__get_buf(HTAB *, uint32_t, BUFHEAD *, int); 51 1.9 joerg int __get_page(HTAB *, char *, uint32_t, int, int, int); 52 1.8 christos int __ibitmap(HTAB *, int, int, int); 53 1.9 joerg uint32_t __log2(uint32_t); 54 1.9 joerg int __put_page(HTAB *, char *, uint32_t, int, int); 55 1.8 christos void __reclaim_buf(HTAB *, BUFHEAD *); 56 1.9 joerg int __split_page(HTAB *, uint32_t, uint32_t); 57 1.1 cgd 58 1.1 cgd /* Default hash routine. */ 59 1.9 joerg extern uint32_t (*__default_hash)(const void *, size_t); 60 1.1 cgd 61 1.1 cgd #ifdef HASH_STATISTICS 62 1.3 cgd extern int hash_accesses, hash_collisions, hash_expansions, hash_overflows; 63 1.1 cgd #endif 64